set draw_tree version to 0.2.0 which is an actual release

edwardchalstrey1 · edwardchalstrey1 · commit d7b5abefaad0 · 2025-12-08T09:52:45.000Z
diff --git a/doc/requirements.txt b/doc/requirements.txt
@@ -10,4 +10,4 @@ matplotlib
 pickleshare
 jupyter
 open_spiel; sys_platform != 'win32'
-draw-tree @ git+https://github.com/gambitproject/draw_tree.git@v0.1.1
+draw-tree @ git+https://github.com/gambitproject/draw_tree.git@v0.2.0
